denis closed his restaurant in kostanza. he now serves meals free to refugees. >> we closed the restaurant, and we are coming here to help these people. chicken pork. chicken pork. >> reporter: for all those getting out, a few going back in. alexander is returning to mykolaiv. russians have hammered the city. and you are willing to die for ukraine? "we all die," he says. then adds, "i'm afraid to die, but i'm not a coward." tatyana from odesa along with her daughter, their dog, and two cats. she says they left because of what they heard was happening in places already controlled by the russians. "i've heard about the violence,"